HealthCareAtlasUSA

This site republishes official CMS/Medicare Care Compare data. It is not medical advice and does not recommend any specific hospital or treatment — for medical decisions, talk to a doctor.

Doctors / CA

ESTHER I CHANG, MD

OPHTHALMOLOGY

Medical school: HARVARD MEDICAL SCHOOL

Graduated: 2006

NPI: 1124223771

Practice Locations (5)

COUNTY OF SAN MATEO

2710 MIDDLEFIELD RD

REDWOOD CITY, CA 940633404

6505732222

COUNTY OF SAN MATEO

22 W 39TH AVE

SAN MATEO, CA 944034364

COUNTY OF SAN MATEO

22 W 39TH AVE, HOS316MS

SAN MATEO, CA 944034364

COUNTY OF SAN MATEO

222 W 39TH AVE

SAN MATEO, CA 944034364

COUNTY OF SAN MATEO

222 W 39TH AVE, HOS316MS

SAN MATEO, CA 944034364

Source: CMS National Downloadable File, September 2026.

ESTHER CHANG, MD | HealthCareAtlasUSA